I can answer most of these, but with arm rest - it's probably the fashion in which you type. Try to keep your wrist as low as possible while you type.
Generally a Seagate external hard drive is trustworthy, but you could even try memorybits.com and see if you find any 16-32 GB on sale. I've been purchasing from them for about 6 years now, no complaints.
Xbox music pass will work for syncing and playing and downloading music on WP8, Windows 8 (laptops, surfaces) and Xbox too! I've used it since 2 years now and tonight will be renewing my subscription once again for the third year. It is the way music should have been from day 1 of Adam and Eve.

edit: for playlists, ideally it should let you create playlist from any of the above devices and sync that to cloud so that you can access it. However, right now the best way to sync music to cloud is to download it on a Windows 8 machine, not a phone i.e. laptop or surface. Same applies for syncing playlists. Make one of surface/laptop and then it goes to your phone automatically. I've had chat a couple of times with Xbox support and have been told it is one sided currently, but it will work both ways with up coming OS updates.

Patient Windows Phone User since October 2010 till cores and apps do us apart.

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I have Win 8 on my old laptop so I am pretty familiar with the OS already but i am just unable to make playlist with music on the SD card...so i should i move it to the tablet right

Originally Posted by rockstarzzz

I can answer most of these, but with arm rest - it's probably the fashion in which you type. Try to keep your wrist as low as possible while you type.
Generally a Seagate external hard drive is trustworthy, but you could even try memorybits.com and see if you find any 16-32 GB on sale. I've been purchasing from them for about 6 years now, no complaints.
Xbox music pass will work for syncing and playing and downloading music on WP8, Windows 8 (laptops, surfaces) and Xbox too! I've used it since 2 years now and tonight will be renewing my subscription once again for the third year. It is the way music should have been from day 1 of Adam and Eve.

edit: for playlists, ideally it should let you create playlist from any of the above devices and sync that to cloud so that you can access it. However, right now the best way to sync music to cloud is to download it on a Windows 8 machine, not a phone i.e. laptop or surface. Same applies for syncing playlists. Make one of surface/laptop and then it goes to your phone automatically. I've had chat a couple of times with Xbox support and have been told it is one sided currently, but it will work both ways with up coming OS updates.

I have a 32gb SanDisk usb flash stick. Its the size of like a thumb nail. I got it because it sits pretty close to the surface body and I don't have worry about it breaking off. Its called the micro cruze or something. I got mine for $24 brand new from best buy on a sale though. Also picked me up recently a micro sdxc 64gb class 10 SanDisk card for $49.99 from tiger direct.and since apps can be put on thee card with a little hacking I'm all set with memory for a bit.

I would highly recommend getting a microSD card instead of a USB thumb drive for expansion. Under the kickstand, right above the magcharge is the slot for the microSD. The big advantage is that with the microSD card you don't have to worry about bumping it, and breakage (versus the USB thumb drive sticking out).